What I would do would be find some 2015 2014 papers and check their bibliography, or ask the principal investigator about which papers are more interesting on it.
I have a standing interest in other primates and cetaceans as well, so I’d look for attempts to show that others have or don’t have prestige.
Usually dominance is related to a power that is maintained by agression, stress or fear.
The usual search route will lead you to some papers: https://scholar.google.com/scholar?q=prestige+dominance&btnG=&hl=en&as_sdt=0%2C5&as_ylo=2009
What I would do would be find some 2015 2014 papers and check their bibliography, or ask the principal investigator about which papers are more interesting on it.
I have a standing interest in other primates and cetaceans as well, so I’d look for attempts to show that others have or don’t have prestige.